386 software systems engineer jobs at 216 companies in Zion, IL

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Senior Systems Software Engineer
Milwaukee, Wisconsin, United States
$119k-$178k/yr HybridFull Time
Northwestern Mutual
Northwestern Mutual: Provides life insurance and financial planning services to individuals.
4+ YOESenior Systems Software Engineer with 4+ years IT experience; strong in AWS/Docker/Kubernetes, CI/CD, and scripting; Bachelor’s or equivalent.
Kubernetes, Docker, AWS, Terraform, CloudFormation, GitLab CI, Jenkins, CircleCI, CI/CD, Python, JavaScript, Linux, Windows
3mo
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Software Engineer, AI & Product Systems
Naperville, Illinois, United States
$80k-$150k/yr OnsiteFull Time
MedPro Disposal
MedPro Disposal: Provides medical waste management and healthcare compliance services.
3+ YOE3+ years software engineering; Node.js/Next.js/TypeScript; PostgreSQL or Supabase; REST/OAuth2/JWT; AI/LLM integration; CI/CD; security and reliability.
Node.js, Next.js, TypeScript, PostgreSQL, Supabase, REST, OAuth2, JWT, WebSockets, GitHub Actions, Vercel, n8n, SOQL
3mo
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Software Engineer – Trading Systems
Chicago, Illinois, United States
$100k-$140k/yr OnsiteFull Time
Wolverine Trading
Wolverine Trading: Proprietary trading, asset management, and execution services firm.
2+ YOEBachelor's in CS or related field; 2+ years software development; strong C++, concurrent programming; knowledge of algorithms and data structures; good communication.
C++
2w
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Software Engineer | Market Data Systems
Chicago, Illinois, United States
$200k-$250k/yr OnsiteFull Time
Jump Trading
Jump Trading: Global proprietary trading firm specializing in algorithmic and high-frequency strategies
5+ YOE5+ years building production software in performance-critical environments; strong C++ and Rust experience; real-time streaming and low-latency systems expertise; concurrency, memory, and network programming skills.
C++, Rust, TCP, UDP, multicast, Linux
1mo
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Senior Software Engineer, Agentic Systems
Chicago or United States
$169k-$208k/yr RemoteFull Time
Horizon3.ai
Horizon3.ai: Autonomous penetration testing platform for continuous security assessment.
5+ YOE5+ years building production software with strong Python; hands-on experience building LLM-powered agents, prompt/context engineering, production LLM reliability, evaluation harnesses, testing and observability.
Python, LLM, AWS Bedrock, Neo4j, NodeZero
1mo
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Expert Systems Engineer
Grand Rapids or Wauwatosa or Atlanta or Plano or North America
$134k-$197k/yr OnsiteFull Time
KION Group
KION GroupFrankfurt Stock Exchange: KGX: Supplies industrial trucks and automated supply chain technology.
7+ YOEBachelor in Electrical/Controls/Software Engineering required, 7+ years engineering experience (material handling preferred), ability to produce technical documentation, customer-facing skills, and willingness to travel ~30%+ for project work.
1mo
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Senior Software Engineer - AI/Computer Vision (Camera Systems)
Waltham or Chicago or Boston or Vancouver or Krakow
$140k-$170k/yr HybridFull Time
Motorola Solutions
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
4+ YOEBachelor's degree and 4+ years software engineering experience with 3+ years C++ development. Experience with camera systems, embedded Linux, model deployment on embedded platforms, Python, Git, and strong problem-solving and communication skills.
C++, Python, OpenCV, TensorFlow, PyTorch, ONNX Runtime, GitHub Actions, Azure DevOps, Git, Linux
1mo
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Senior Software Engineer, Design Systems
North Chicago, Illinois, United States
$97k-$184k/yr HybridFull Time
AbbVie
AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.
5+ YOEExpert React and TypeScript skills, front-end design-system experience, Claude Code skills and agentic AI workflow development, Python/Node.js backend capability, Storybook/GitHub/Axe proficiency, accessibility (WCAG) and strong communication.
React, TypeScript, Python, Node.js, Storybook, GitHub, Axe, Claude Code, Figma, OutSystems, Angular, HTML, CSS, MCP
3w
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Senior Systems Engineer
Des Plaines, Illinois, United States
$100k-$150k/yr OnsiteFull Time
Kranze Technology Solutions
Kranze Technology SolutionsNYSE: SPXC: Develops countermeasure systems and networking solutions for military aircraft.
10+ YOEBachelor's degree in engineering with 10+ years experience, strong networking and routing knowledge, Linux and C/C++ proficiency, hardware/software troubleshooting, ability to obtain US security clearance and to travel.
Linux, C/C++, MANET, HAIPE
4w
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Principal/Sr. Principal Systems Engineer
Rolling Meadows, Illinois, United States
$109k-$204k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOESTEM degree with 5+ years (Principal) or 8+ years (Sr Principal) experience, proficiency in systems thinking, model-based systems engineering, simulation/mission modeling, and listed software/tools; U.S. citizenship and active government clearance required.
MATLAB, C, C++, CUDA, VHDL, OpenCL, SysML, Python, Cameo, Rhapsody, AFSIM, STK, BRAWLER, ATCOM, ONESAF, DOORS, ClearCase, ClearQuest
1mo
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Systems Engineer/Principal Systems Engineer (Integration & Test)
Rolling Meadows, Illinois, United States
$88k-$163k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEUS citizen able to obtain/maintain government clearance (SAP/Secret); BS/MS/PhD in EE/ME or related; 2+ years (Systems) or 5+ years (Principal) experience; troubleshooting hardware/software/firmware; test planning and execution; DOORS, MBSE/Cameo, MATLAB, C/C++, Java, Python familiarity.
DOORS, Cameo, MATLAB, C, C++, Java, Python
2d
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Senior Software Engineer
Chicago or San Francisco
$160k-$180k/yr OnsiteFull Time
JLL
JLLNYSE: JLL: Global commercial real estate and investment management services.
3+ YOEBachelor's or Master's in CS/Engineering or equivalent,3+ years software engineering experience,proficiency with LLM APIs,agent systems,RAG,production deployments,enterprise API integrations,strong communication,US work authorization.
LLM APIs, CI/CD
19h
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Software Developer - DevOps
Montreal or Chicago
OnsiteFull Time
DRW
DRW: Technology-driven principal trading firm operating in global financial markets
3+ YOERequires 3–7 years building and operating software systems, strong Python, Kubernetes, CI/CD, Linux, PostgreSQL, RabbitMQ, software engineering, testing, communication, and independent project leadership.
Python, Kubernetes, PostgreSQL, RabbitMQ, Linux, CI/CD
2mo
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Software Engineer
New York City or San Francisco or Austin or Chicago
$120k-$300k/yr HybridFull Time
R1 RCM
R1 RCM: Revenue cycle management solutions for healthcare providers.
3+ YOE3+ years engineering experience building and operating production systems; end-to-end ownership; scaling production systems; applied AI interest; strong communication and product collaboration skills.
3d
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Lead Software Engineer
Chicago, Illinois, United States
$123k-$169k/yr HybridFull Time
Sidley Austin
Sidley Austin: Global law firm providing comprehensive legal and regulatory counsel.
8+ YOE8+ years software engineering experience with full-stack skills (.NET/C#, React, Next.js), Azure experience, CI/CD and system design expertise; leadership and mentoring experience.
.NET (C#), React, Next.js, Azure, Azure App Service, Azure Container Apps, Azure Kubernetes Service, Azure SQL, Azure Service Bus, Azure OpenAI Service, SQL Server, PostgreSQL, Cosmos DB, REST, GraphQL, Azure DevOps, GitHub Actions, Git, Docker, Kubernetes, Azure Container Apps/AKS, LangGraph, Semantic Kernel, Claude SDK, Temporal, n8n, Power Automate, Azure OpenAI, Anthropic Claude
1mo
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Expert Systems Engineer
Grand Rapids or Wauwatosa or Atlanta or Plano or Texas or Illinois or Ohio
$134k-$197k/yr OnsiteFull Time
KION Group
KION GroupXETRA: KGX: Provides industrial trucks and automated supply chain solutions globally.
7+ YOEBS in Electrical/Controls/Software Engineering required, 7+ years engineering experience (material handling preferred), master\u0002s preferred, ability to create technical documentation, customer-facing, and willingness to travel ~30% annually.
1mo
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Sr. Software Engineer
Glendale or Milwaukee
$85k-$127k/yr OnsiteFull Time
Johnson Controls
Johnson ControlsNYSE: JCI: Provides integrated building technologies including HVAC, fire, and security systems.
7+ YOE7+ years software engineering (5+ years building/deploying AI/ML systems), ML lifecycle experience, Python and ML framework proficiency, cloud and container deployment experience, LLM/GenAI and MLOps experience, strong system design and mentoring skills.
Python, PyTorch, TensorFlow, scikit-learn, Microsoft Azure, Microsoft Azure OpenAI, AWS Bedrock, Anthropic, OpenAI, Docker, Kubernetes, LangGraph, CrewAI, LlamaIndex, LangSmith, LangFuse, OpenTelemetry, Model Context Protocol (MCP), BACnet, MQTT, OPC UA
6d
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Staff Software Engineer
Chicago or Dallas
$190k-$250k/yr HybridFull Time
Newmark
NewmarkNASDAQ: NMRK: Commercial real estate brokerage and property management services.
12+ YOE12+ years software engineering experience; expert with JavaScript/TypeScript front-end frameworks and backend languages; strong distributed systems, microservices, cloud, database, CI/CD, and agentic AI experience.
React, Next.js, C#, Node.js, Java, REST, GraphQL, Azure, AWS, GCP, LangChain, AutoGen, Semantic Kernel, MCP, Kafka, Event Hubs, Kinesis, Docker, Kubernetes, SQL, NoSQL, CI/CD
1mo
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Senior Software Engineer C++
New York or Chicago
$150k-$225k/yr HybridFull Time
GTS
GTS: Global electronic market maker and proprietary trading firm.
7+ YOEExpertise in Linux C++ low-latency systems, 7+ years software engineering, BS/MS in engineering/computing/science, Git, gdb, valgrind, Python/bash, networking knowledge.
Linux, C++, Git, gdb, valgrind, Python, bash
2mo
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C++ Software Developer
Amsterdam or Chicago or London or New York City
OnsiteFull Time
Headlands Technologies
Headlands Technologies: A global proprietary trading firm utilizing quantitative algorithms.
Strong C++ ability, fundamentals of software engineering, experience building scalable distributed systems, network programming, and performance optimization; computing degree preferred or extensive professional experience.
C++, Linux